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Manawatū-Whanganui region

Surface Water Zone: Turakina

The Turakina catchment encompasses the Turakina and Mangapapa Rivers and covers an area of 962 square kilometres . It's been identified as a site of significance aquatic for the native redfin bully as well as a site of significance riparian for gravel, sand (habitat for dotterel), mud/silt habitats and its estuarine environment. It is also valued for its mauri, aesthetics and recreational opportunities.

The Turakina River generally flows southward from its source south of Waiouru, reaching the sea 20 kilometres south of Whanganui. The Mangapapa River rises near the remote settlement of Mangapapa, northwest of Mangaweka. It flows westward through hilly farmland to meet the Turakina River and has a 12 metre waterfall along its lower reaches. Sheep and/or beef farming is the dominant land use in this catchment at 81.1 per cent. Native cover accounts for 8.5 per cent of land use, with 7.2 per cent under exotic cover. The major urban area is Rātana with a population of 369. Horizons monitors one state of the environment and three discharge sites within the Turakina catchment. There is still water available for use in this catchment the only consent in this zone is the take for stock water in the Upper Turakina catchment. The water allocation framework manages impacts of the allocation on water body values including consumptive uses by setting minimum flows and allocation limits for each sub-zone. The minimum flows for this sub-zone were set at 85% of the Mean Annual Low Flow at the Turakina at O'Neill's Bridge flow recorder. Allocation volumes are set at 15% of the Mean Annual Low Flow and balance up the need for water with the amount of time users will be restricted due to minimum flows being reached.

Water Use
Surface Water in this Zone

Regional councils collect information about how much water is available and manage resource consents for those wishing to take water from rivers and streams. Use the buttons below to view information on: how much water is available, where it comes from and how its used.


Rainfall {{waterAvailable.rainfall}} Runoff to sea {{waterAvailable.runoff}} Surface Water available: {{waterSource.availableToAllocate}} Irrigation
Town supply
  • How much surface water is there in this zone?

    Rainfall and flow in this surface water zone

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    Rainfall and runoff

    Relative breakdown Source Volume
    Rainfall total:
    {{waterAvailable.rainfall }}
    rainfall Rainfall Total {{waterAvailable.rainfall}}
    Runoff total:
    {{waterAvailable.runoff }}
    runoff Runoff to sea {{waterAvailable.runoff}}

    The table above shows the average amount of rainfall the water management zone receives each year and how much of that flows out to sea. These are approximate figures only.

  • Water consents: How much water is consented and used?

    Surface water available to consent

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    Consented water in this surface water zone

    Use the tables below to look at how much water is available compared with how much is actually consented within this water management zone. Click the plus to expand subzones where available

    Comparing consents and use
    Amount available to consent In this surface water management zone:
    {{}} {{}}
    available to consent
    Amount consented
    measured and non measured
    Amount used (measured)
    Amount Units Consented or used as a percentage of available
    Total available to consent {{}} {{}} {{}}
    Total consented {{}} {{}} {{}} {{}}
    Total consented and measured {{}} {{}} {{}} {{}}
    Total measured amount used {{}} {{}} {{}}
    Total measured volume used {{}} {{}}

    The table above shows the amount of water that is available for use compared to the amount that has been consented. The ‘Total Consented’ and ‘Total Consented and Measured’ fields are based on percentages of the ‘Total available to Consent’ field. If this field is not populated no data will be displayed. Some consents require actual use to be monitored and this is presented as 'Total measured volume Used' where available.

  • Water consents: How is consented water used?

    Consents by use in this surface water zone

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    Consented water

    Overall annual volume for {{waterAvailable.year}}
    Relative breakdown
    Activity Percentage of total consented Total volume Number of consents
    {{item.displayText}} {{item.displayText}} - - No data available {{item.breakdownPercentage}}% {{item.totalVolume}} m3 {{item.numberOfConsents}}
    Total {{}}% {{}} m3 {{}}

    The above table shows the proportion of water consented for irrigation, industrial, stock, town supply and other. It excludes hydro electricity. In this region/management zone {{hydroUsage.totalVolume}} m3/year is consented for hydro-electricity and makes up {{hydroUsage.percentageConsented}}% of the total water volume consented for this region/management zone


Monitored sites in this Zone

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